Method for removing copper ions from insulating oil of electrical equipment
A technology for insulating oil and copper ions, which is applied in separation methods, chemical instruments and methods, solid adsorbent liquid separation, etc. It can solve the problems of insulating oil containing large copper ions, copper ions cannot be effectively removed, and copper ion content rises, etc. Achieve obvious economic and social benefits, save resource consumption, and increase interfacial tension
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Embodiment 1
[0017] (1), backup adsorbent alumina by 3% of the total weight of insulating oil;
[0018] (2) Calcining the adsorbent prepared in the activation step (1) using a conventional method at a calcination temperature of 300 to 1000° C.;
[0019] (3) Prepare one oil pump, one heater, one adsorption tank, one filter and one middle tank, and use conventional methods to connect the transformer oil tank where the insulating oil in step (1) is located with the prepared oil pump, heater, The adsorption tank, the filter and the intermediate tank are connected in series, wherein the input port of the adsorption tank is located at the lower part of the adsorption tank, and the output port of the adsorption tank is located at the upper part of the adsorption tank;
[0020] (4), the adsorbent obtained in step (2) through the calcined activation treatment is added in the adsorption tank prepared by step (3) in 2 times, and the interval between the second addition time and the first addition tim...
Embodiment 2
[0024] (1), backup aluminum oxide, silicon oxide, lanthanum oxide, activated clay, and silicon-aluminum polymer five adsorbents by equal weight of 5% of the total weight of insulating oil;
[0025] Steps (2)~(3) are the same as in Example 1;
[0026] (4), the adsorbent obtained in step (2) through the calcined activation treatment is added in the adsorption tank prepared by step (3) in 3 times, with an interval of 72 hours;
[0027] (5) Open the valve at the output port at the bottom of the transformer oil tank, the valve at the upper output port of the adsorption tank, and start the filter in sequence, until the inflow of insulating oil in the intermediate tank reaches half of the capacity of the intermediate tank At the same time, open the valve of the output port at the bottom of the intermediate tank and the valve at the upper output port of the transformer oil tank, and implement the copper ion removal process to the insulating oil. During the copper ion removal process, ...
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